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- Standard control scheme that doesn't force a gamepad
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Few games actually force GamePad use, but many are actually much better with it.
Of my favourite games...
Mario 3D World - i played 95% of it with pro controller, a few levels require gamepad
DK Tropical Freeze - I play 100% with pro controller
Mario Kart 8 - I play with pro controller, but with GamePad on stand next to me
Wonderful 101 - I play with pro controller
Mario Bros. U - play with pro controller
Pikmin 3 - I played with Wiimote & Nunchuk, using GamePad as map and for other functions
Zombi U - GamePad only but it's amazing for it, and there's no way I'd play without GamePad if it was even an option
Zelda WW HD - I played with GamePad because map + inventory functionality was great. Can be played with Pro Controller though.
Monster Hunter 3 U - I play 100% with pro controller
I was sceptical before purchasing a Wii U, but for games that use it well the GamePad is great imo. Displaying the map in games like AC and Batman just feels convenient for me.
In general use, the GamePad is much like a normal controller but you hold your hands further apart. I think a lot of people perceive the GamePad as a constant in the experience of playing a Wii U and that you frequently are forced to use the second screen while playing, but that's not the case.